Tessian vs Agari: Email Security Comparison (2026)

An independent side-by-side comparison of Tessian and Agari for email security buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask email security questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Tessian leads overall10% cited vs Agari 3% across 60 probes.
ChatGPT
Tessian
0 / 6 probes
0%
Invisible
Agari
0 / 6 probes
0%
Invisible
Perplexity
TessianLeads
1 / 6 probes
17%
Average
Agari
0 / 6 probes
0%
Invisible
Gemini
Tessian
0 / 6 probes
0%
Invisible
Agari
0 / 6 probes
0%
Invisible
Claude
TessianLeads
2 / 6 probes
33%
Good
Agari
1 / 6 probes
17%
Average
Copilot
Tessian
0 / 6 probes
0%
Invisible
Agari
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Tessian
Starting price
Free tier
tessian.com
Agari
Starting price
Free tier
agari.com

Key Features

Tessian
  • AI-powered email threat detection
  • Prevent data loss over email
  • Integrated email security solutions
  • Streamline security analyst workflows
Agari
  • AI and threat intelligence integration
  • Automated email threat response
  • DMARC policy management
  • Spam and phishing protection
  • Real-time email archiving
  • Email encryption options
  • Adaptive security measures
  • Advanced threat inspection

When to choose Tessian

Choose Tessian if your team prioritizes its strengths over Agari's. Full guidance populates as Tessian's feature data is indexed.

When to choose Agari

Choose Agari if your team prioritizes its strengths over Tessian's. Full guidance populates as Agari's feature data is indexed.

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